JP3778420B2 - Connection structure for rooftop equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connection structure for rooftop equipment such as a solar cell module and a solar water heater module.
[0002]
[Prior art]
In recent years, an increasing number of houses have solar cell modules installed on the roof to obtain power by solar power generation. In this type of house, when the solar cell module is installed on the roof, it is desirable in terms of appearance to provide a sense of unity between the solar cell module and the roofing material.
[0003]
Therefore, a large number of solar cell modules are installed in a step-like manner like roofing materials so that the eaves side end of the eaves side solar cell module overlaps the eaves side end of the eaves side solar cell module. A structure with the above structure has been proposed.
[0004]
[Problems to be solved by the invention]
When installing solar cell modules in a staircase shape as described above, if the solar cell module on the ridge side is installed on the roof before the eave side, the eave side end of this solar cell module on the ridge side is lifted, In general, the solar cell module is installed from the eave side toward the ridge side because it requires complicated work such as inserting the ridge side end of the solar cell module on the eave side underneath. . However, in this case, the operator installs the solar module while facing the eaves side, and there is a risk of dropping from the roof.
[0005]
In addition, when solar cell modules are installed in a staircase shape, it is difficult to remove the solar cell module, such as if one of them is to be removed, several of the surroundings must be removed. There was also a problem that it was bad.
[0006]
Therefore, the present invention eliminates the above problems, can improve the workability and safety when installing the rooftop equipment on the roof, and can connect the rooftop equipment that can realize good maintainability The purpose is to provide a structure.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is a connection structure for connecting rooftop equipment adjacent to each other along the roof inclination direction, and the eaves-side end of the rooftop equipment on the ridge side and the roof material The eaves side end of the rooftop equipment on the ridge side is lifted upward by the connecting tool between the eaves side and the roofing material. An insertion space for inserting the ridge side end of the rooftop equipment is formed, and the eaves side end of the rooftop equipment on the ridge side is formed with respect to the ridge end of the rooftop equipment on the eave side inserted into this insertion space. It is characterized by being fixed by a fixing tool so as to be pressed against the urging force of the connecting tool.
[0008]
The connecting tool is composed of a base fixed to the roofing material and a spring piece provided on the base, and is based on a bolt as a fixing tool inserted from above into the eaves side end of the rooftop equipment on the ridge side. The above-mentioned pressing is performed against the urging force of the spring piece by screwing it into the base.
[0009]
The base of the connector is formed by bending a metal strip into a substantially U shape, and the spring piece is formed by processing a part of the upper surface piece with a bolt screw hole in the base.
[0010]
Furthermore, an engagement groove opened toward the ridge side is formed at the eaves side end of the rooftop equipment on the ridge side, and an upper surface piece and a spring piece of the connection tool are inserted into the engagement groove. Furthermore, the rooftop equipment is a solar cell module.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIG. 3, a solar cell module (1) (1)... As a rooftop equipment according to an embodiment of the present invention is, for example, one roof surface in a gable roof (for example, a roof surface facing the south side). ) With roofing materials (2), (2).
[0012]
As shown in FIG. 4, each solar cell module (1) is composed of a rectangular solar cell panel (20) and a rectangular frame-shaped metal module frame (21) surrounding the solar cell panel (20). Has been. The solar cell panel (20) is obtained by arranging necessary cells (basic units of solar cells) made of polycrystalline silicon and covering them with tempered glass so that they can be used outdoors. The cell is not limited to polycrystalline silicon but may be single crystal silicon, amorphous silicon, or the like.
[0013]
The module frame (21) includes upper and lower frame members (22) and (23) and a pair of left and right side frame members (24) that connect both ends of the upper and lower frame members (22) and (23). (24) and a rectangular frame shape. Each of the frame members (22), (23), (24), and (24) is formed by extrusion of aluminum.
[0014]
As shown in FIGS. 1 and 2, the upper frame member (22) is a pair of a main body (25) having a rectangular closed cross section and a pair of horizontally extending from the side surface of the main body (25) on the panel (20) side. Panel holding pieces (26) and (26), and a pair of leg pieces (27) and (27) extending downward from the lower surface of the main body (25). And the upper end part of the solar cell panel (20) is fitted into the gap between the panel holding pieces (26), (26) via a cushion material.
[0015]
The lower frame member (23) includes a main body (30) having a rectangular closed cross section, an L-shaped panel holding piece (31) extending from the upper surface of the main body (30), and a lower surface of the main body (30). From the fastening piece (32) horizontally extending to the opposite side of the panel (20) and the pressing piece (33) folded back from the tip of the fastening piece (32) and horizontally extended to the panel (20) side Become. In the gap between the upper surface of the main body (30) and the panel holding piece (31), the lower end of the solar cell panel (20) is fitted via a cushioning material. The fastening piece (32) is formed with bolt insertion holes (37), (37), which are opened to the panel (20) side by the fastening piece (32) and the pressing piece (33). An engagement groove (35) is formed.
[0016]
On the lower frame member (23), connectors (36) and (36) for connecting to the eaves-side solar cell module (1) adjacent in the roof inclination direction are attached at appropriate intervals. ing.
[0017]
As shown in FIG. 5, the connector (36) includes a base (41) formed by bending a metal strip into a substantially U shape, and a spring formed integrally with the base (41). It consists of a piece (42). The base (41) includes an upper surface piece (43) and a lower surface piece (44) that face each other, and a connecting piece (45) that connects one end of the upper surface piece (43) and the lower surface piece (44). . A bolt screw hole (46) corresponding to the bolt insertion hole (37) of the fastening piece (32) of the lower frame member (23) is formed at the center of the tip of the upper surface piece (43). In addition, a long hole (47) for driving a temporary fixing nail is formed at the center of the tip of the lower surface piece (44), and three screws are inserted closer to the base end side than the long hole (47). Open holes (48), (48) are formed.
[0018]
The spring piece (42) is formed by processing a part of the upper surface piece (43) of the base (41). That is, two incisions (49) and (49) parallel to the base end from the distal end of the upper surface piece (43) are made, and the outer portion of the incisions (49) and (49) is formed in a square shape upward. It is formed by bending.
[0019]
As shown in FIG. 6, the connector (36) is configured by inserting the upper surface piece (43) and the spring piece (42) of the base (41) into the engaging groove (35) of the lower frame member (23). The bolt (50) as a fixture inserted into the bolt insertion holes (37), (37) of the fastening piece (32) of the lower frame member (23) is connected to the upper surface piece (43) of the base (41). ) Is screwed into the bolt screw hole (46) and is attached to the lower frame member (23). In FIG. 6, reference numeral (51) denotes a grounding bracket attached to the pressing piece (33) of the lower frame member (23).
[0020]
As shown in FIG. 6, the side frame member (24) includes a vertical piece (55) and a pair of panel holding pieces (56) (56) extending from the side surface of the vertical piece (55) on the panel (20) side. ) And three projecting pieces (57), (57),... Extended from the side surface of the vertical piece (55) opposite to the panel (20) side.
[0021]
The construction of the solar cell modules (1) (1)... Thus configured on the roof is performed as follows. First, as shown in FIG. 7, the solar cell module (1) (1)... That is located closest to the ridge side, the upper frame material (22) on the ridge side, and the lower frame material (23) on the eave side. The side frame members (24), (24) are placed on the pedestals (61), (61), which are fixed to the roof member (60). Then, the connectors (36), (36), which are temporarily fixed to the lower frame material (23) of each solar cell module (1), are aligned with the inking line, and the lower surface pieces (44), (44) The nails are driven into the roof material (60) from the long holes (47) and (47) to temporarily fix the roof material (60). In addition, the temporary fixing of the connector (36) (36) is performed by using the bolt (50) inserted into the bolt insertion hole (37) (37) of the fastening piece (32) of the lower frame member (23) on the upper surface. It is made by screwing into the bolt screw hole (46) of the piece (43), but the screw amount of this bolt (50) is suppressed to such an extent that the spring piece (42) is not deformed or slightly elastically deformed. .
[0022]
Then, after adjusting the joint between the solar cell modules (1), (1), the screws inserted from above into the screw insertion holes (48), (48), of the lower surface material (44) of the connector (36). As shown in FIGS. 1 and 2, the connecting tool (36) is fixed to the roofing material (60) by screwing (63) (63)... Into the roofing material (60) and the purlin (64). In addition, a joint material (65) and a decorative material (66) are attached between the solar cell modules (1) and (1) adjacent in the girder direction to close the joint gap.
[0023]
In each solar cell module (1) on the most ridge side installed in this way, as shown in FIG. 2, there is a connector (36) (36) between the eaves side end and the roofing material (60). The spring pieces (42) and (42) abut against the lower surface of the fastening piece (32) of the lower frame member (23), and the eaves side end portion is urged by the biasing force of the spring pieces (42) and (42). Is lifted upward. Thereby, between the eaves side edge part of solar cell module (1) (1) ... and roof material (60), the solar cell module installed in eaves side rather than these solar cell modules (1) (1) ... (1) The insertion space (70) into which the ridge side end of (1)... Can be smoothly inserted is formed.
[0024]
Subsequently, the new solar cell module (1) (1) is inserted into the ridge side end, that is, the upper frame material (22) into the insertion space (70), and the side frame materials (24) and (24) are roofed. It is installed in a state where it is placed on the gantry (61) (61) ... fixed to the material (60). Then, as described above, the fixtures (36) are temporarily fixed, and the joints between the solar cell modules (1), (1),. After fixing the screws (63) (63) to the roofing material (60), the bolts (50) (50) are further screwed in and finally tightened.
[0025]
Then, as shown in FIG. 1, the fastening pieces (32) of the lower frame member (23) in the solar cell module (1) on the ridge side are connected to the spring pieces (42) (42) of the connecting tools (36) (36). ) Against the urging force, and the pressing piece (33) of the lower frame member (23) moves downward so as to narrow the insertion space (70). It is pressed onto the ridge side end of 1), that is, the upper frame member (22). Thereby, the eaves side end of the ridge-side solar cell modules (1) (1) and the ridge side end of the eaves-side solar cell modules (1) (1). .
[0026]
By sequentially installing the solar cell modules (1) (1)... From the ridge side to the eaves side in this way, as shown in FIGS. ) And (1) are superposed so that a large number of solar cell modules (1), (1)... Are constructed in a stepped manner in the same manner as the roofing materials (2), (2).
[0027]
When the individual solar cell module (1) is removed for replacement, repair, or inspection after the above construction, as shown in FIG. 9, first, the solar cell module (1) is one step higher than the solar cell module (1) to be removed. Loosen the bolts (50) and (50) that were tightened in the solar cell module (1) on the ridge side. Then, the lower frame material (23) of the solar cell module (1) on the ridge side was automatically lifted and narrowed by the biasing force of the spring pieces (42) and (42) of the connectors (36) and (36). The insertion space (70) expands and the connection with the solar cell module (1) on the ridge side is released. Similarly, remove the bolts (50) and (50) that were tightened from the solar cell module (1) to be removed, and connect the solar cell module (1) to the eaves side of the solar cell module (1). To release.
[0028]
In this state, the solar cell module (1) to be removed has the lower frame material (23) connected to the roofing material (60) with screws (63), (63), ..., connectors (36), (36). Is engaged. That is, the upper surface pieces (43) and (43) and the spring pieces (42) and (42) of the connectors (36) and (36) are inserted into the engaging grooves (35) of the lower frame member (23). ing. However, since the engaging groove (35) is open to the ridge side, as shown in FIG. 10, the connector (36) is pulled out by pulling out the solar cell module (1) to be removed toward the eave side. The solar cell module (1) can be removed by extracting the upper surface piece (43) and the spring piece (42) from the engagement groove (35). In order to re-install the solar cell module (1) after a new inspection or inspection, the upper frame material (22) is inserted into the solar cell module (1) on the ridge side, contrary to the above-described removal operation. While inserting into the space (70), insert the upper surface pieces (43) (43) and the spring pieces (42) (42) of the connectors (36) (36) into the engaging groove (35), so that the lower frame The material (23) is engaged with the connectors (36) and (36). In this state, the solar cell module (1) can be attached as it is by tightening the bolts (50) and (50) on the ridge side and the eaves side.
[0029]
In addition, this invention is not limited to the said embodiment, Of course, many corrections and changes can be added to the said embodiment within the scope of this invention. For example, the rooftop equipment installed on the roof is not limited to the solar cell module, and may be a solar water heater module.
[0030]
【The invention's effect】
As is apparent from the above description, according to the present invention, the eaves-side end of the rooftop equipment on the ridge side is lifted upward by the biasing force of the connector to form an insertion space, Since the ridge-side end of the rooftop equipment is inserted, the rooftop equipment can be sequentially installed from the ridge side to the eaves side without being forced to perform complicated operations as in the past. Therefore, the operator can perform the installation work of the solar module facing the ridge side, thereby improving workability and safety.
[0031]
Also, fix the eaves-side end of the ridge-side rooftop equipment against the urging force of the connector against the ridge-side end of the eave-side rooftop equipment inserted into the insertion space. Therefore, by loosening or removing this bolt, the eaves side end of the rooftop equipment on the ridge side is automatically lifted by the biasing force of the connector, and the connection between these ends can be released. Accordingly, it is possible to remove the rooftop equipment installed in a staircase shape in units of one unit, and it is possible to simplify replacement, inspection and repair, and improve maintainability.
[0032]
Furthermore, the connector has a simple structure in which a metal strip is bent, and the construction cost can be reduced. In addition, if the structure is such that the upper surface piece and the spring piece of the connector are inserted into the engagement groove that opens toward the ridge side formed at the eave side end of the ridge side roof equipment, the roof equipment By pulling out to the eaves side, it is possible to easily remove the eaves side end of the rooftop equipment from the connection fixture fixed to the roof, thereby further improving the maintainability.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a connection structure of solar cell modules according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of the connection release state.
FIG. 3 is a perspective view showing an installation state of a solar cell module on a roof.
FIG. 4 is a perspective view of a solar cell module.
FIG. 5 is a perspective view of a connection tool.
FIG. 6 is a perspective view showing a state in which the connector is attached to the lower frame member of the solar cell module.
FIG. 7 is a perspective view showing the solar cell module during construction.
FIG. 8 is a longitudinal sectional view showing an installation state of a solar cell module on a roof.
FIG. 9 is a longitudinal sectional view showing a state when a solar cell module is removed.
FIG. 10 is a longitudinal sectional view showing a state when a solar cell module is removed.
[Explanation of symbols]
(1) Rooftop equipment (solar cell module)
(35) Engaging groove
(36) Connector
(41) Base
(42) Spring piece
(46) Bolt screw hole
(50) Fixing tool (bolt)
(60) Roofing material
(70) Insertion space

Claims (5)

It is a connection structure for connecting rooftop equipment adjacent to each other along the roof inclination direction, and a connection tool is interposed between the eaves side end of the rooftop equipment on the ridge side and the roofing material, and the connection is made. Insert the ridge-side end of the rooftop equipment on the eave side between the eave-side end and the roof material by lifting the eave-side end of the rooftop equipment on the ridge side upward by the biasing force of the fixture A space is formed, and the eaves side end of the rooftop equipment on the eave side inserted into the insertion space is pressed against the urging force of the connector. The connection structure of the rooftop equipment, which is fixed with a fixture. The connection tool consists of a base that is fixed to the roofing material and a spring piece that is provided on the base, and a bolt as a fixing tool that is inserted from above into the eaves side end of the rooftop equipment on the ridge. The connection structure for rooftop equipment according to claim 1, wherein the pressing is performed against the biasing force of the spring piece by screwing. The base of the connector is formed by bending a metal strip into a substantially U shape, and the spring piece is formed by processing a part of the upper surface piece with a bolt screw hole in the base. Connection structure for the listed rooftop equipment. The engagement groove opened toward the ridge side is formed in the eaves side end of the rooftop equipment on the ridge side, and an upper surface piece and a spring piece of the connection tool are inserted into the engagement groove. Connection structure for rooftop equipment. The rooftop equipment device connection structure according to any one of claims 1 to 4, wherein the rooftop equipment is a solar cell module.

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